97878251026 has 8 divisors (see below), whose sum is σ = 155453692860. Its totient is φ = 46060353408.

The previous prime is 97878250993. The next prime is 97878251041. The reversal of 97878251026 is 62015287879.

97878251026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 312855²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 97878251025 + 1 = 312855^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439386011 + ... + 1439386078.

Almost surely, 2^97878251026 is an apocalyptic number.

97878251026 is a deficient number, since it is larger than the sum of its proper divisors (57575441834).

97878251026 is a wasteful number, since it uses less digits than its factorization.

97878251026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878772108.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 97878251026 in words is "ninety-seven billion, eight hundred seventy-eight million, two hundred fifty-one thousand, twenty-six".